HELP PLEASSS What number written in standard form is represented by the place value disks?

a table with four disks in the hundred thousands column, one disk in the ten thousands column, eight disks in the thousands column, nine disks in the hundreds column, three disks in the tens column, and two disks in the ones column

148,932

418,932

819,234

923,418

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.